主题词：Underwater Acoustics Research; Ultrasonics and Acoustic Wave Propagation; Acoustic Wave Phenomena Research; Arctic and Antarctic ice dynamics; Seismic Waves and Analysis; Aerodynamics and Acoustics in Jet Flows; Flow Measurement and Analysis; Acoustic Wave Resonator Technologies; Geophysical Methods and Applications; Geotechnical and Geomechanical Engineering; Seismic Imaging and Inversion Techniques; Methane Hydrates and Related Phenomena; Elasticity and Wave Propagation; Underwater Vehicles and Communication Systems; Photoacoustic and Ultrasonic Imaging; Optical and Acousto-Optic Technologies; Oceanographic and Atmospheric Processes; Ultrasound Imaging and Elastography; Ultrasound and Cavitation Phenomena; Speech and Audio Processing; Microwave Imaging and Scattering Analysis; Material Properties and Applications; Marine animal studies overview; Thermography and Photoacoustic Techniques; Electromagnetic Scattering and Analysis